Direct driving apparatus for washing machine

Abstract

A stator assembly constituting a motor of a driving apparatus for a washing machine, includes: a stator core; an insulator surrounding the stator core; a central space in the stator core and insulator; and a lever unit coupling for coupling a lever unit, formed in the insulator, wherein a deceleration coupling unit is positioned in the central space to be movable frontward or rearward.

What is claimed is: 
     
       1. A deceleration coupling unit, comprising:
 a cup-shaped coupling housing; 
 a coupling cap coupled to the front of the coupling housing; and 
 a carrier received in the coupling housing, 
 wherein first teeth are formed in the coupling cap, and second teeth are formed in the rear of the coupling housing. 
 
     
     
       2. The deceleration coupling unit according to  claim 1 , wherein the carrier comprises:
 a first carrier body of a ring shape, positioned in the rear side; 
 a second carrier body coupled to the front of the first carrier body; 
 a plurality of planetary gears rotatably coupled to the front of the first carrier body; and 
 a planetary gear shaft fixed to the first carrier body to support the rotation of the planetary gears. 
 
     
     
       3. The deceleration coupling unit according to  claim 2 , wherein a shaft receiver protrudes frontward in the center of the second carrier body, and a carrier spline formed in a shaft direction is formed in the inner circumferential surface of the shaft receiver. 
     
     
       4. The deceleration coupling unit according to  claim 3 , wherein the shaft receiver is exposed from the front of a central hole in the coupling cap. 
     
     
       5. The deceleration coupling unit according to  claim 2 , wherein a sun gear through hole is formed in the center on the bottom surface in the rear of the coupling housing, and a sun gear through hole is formed in the center of the first carrier body.